Results 271 to 280 of about 30,233 (313)
The impact of diffuser augmentation on a tidal stream turbine
Ocean Engineering, 2015 The results from an experimental study of a model diffuser augmented tidal stream turbine are presented with a particular focus on the impact of the diffuser upon the turbine's performance in yawed flows.
Cresswell, N.W. +7 more
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Diffusive Search for Diffusing Targets with Fluctuating Diffusivity and Gating
Journal of Nonlinear Science, 2019zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sean D. Lawley, Christopher E. Miles
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Journal of Political Economy, 1994 The usual explanation for why the producers of a given product use different technologies involves "vintage-capital": A firm understands the frontier technology, but can still prefer an older, less efficient technology in which it has made specific physical and human capital investments. This paper develops an alternative.
Jovanovic, Boyan, MacDonald, Glenn M.
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Light diffusing mechanism of new diffusion phenomena for diffusers with different diffusing patterns
Optical Materials, 2021Abstract In this study, different diffusion agents have been employed for preparing optical diffusers. Compared with their properties, significant differences exist in UV-shielding, near infrared shielding, dispersion, light scattering, and etc. The characterization comparison can be found in the testing.
Xuening Wu +4 more
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Diffusion time dependency of extracellular diffusion
Magnetic Resonance in Medicine, 2023PurposeTo quantify the variations of the power‐law dependences on diffusion time t or gradient frequency of extracellular water diffusion measured by diffusion MRI (dMRI).MethodsModel cellular systems containing only extracellular water were used to investigate the dependence of , the extracellular diffusion coefficient.
Junzhong Xu +5 more
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Diffusion, Cross-diffusion and Competitive Interaction
Journal of Mathematical Biology, 2006The cross-diffusion competition systems were introduced by Shigesada et al. [J. Theor. Biol. 79, 83-99 (1979)] to describe the population pressure by other species. In this paper, introducing the densities of the active individuals and the less active ones, we show that the cross-diffusion competition system can be approximated by the reaction ...
Iida, Masato +2 more
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The diffusion space of data diffusion architectures
Parallel Computing, 2004Data diffusion architectures (also known as cache only memory architectures) provide a shared address space using physically distributed main memory that is associative. The associative nature of main memory decouples each address and its data item from any physical location, allowing data items to diffuse, or migrate and replicate, in any node of main
Buenabad-Chavez, J +3 more
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2004
Abstract This chapter discusses the basic concepts of diffusion and self-diffusion. It derives relations between the mean square displacement of a diffusing particle, the diffusion coefficient, and the velocity-time correlation function. These relations are generalized to the case of non-equilibrium granular gases.
Nikolai V. Brilliantov +1 more
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Abstract This chapter discusses the basic concepts of diffusion and self-diffusion. It derives relations between the mean square displacement of a diffusing particle, the diffusion coefficient, and the velocity-time correlation function. These relations are generalized to the case of non-equilibrium granular gases.
Nikolai V. Brilliantov +1 more
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Diffusion, the Diffusion Coefficient, and Mechanisms of Diffusion
1970Diffusion is the way in which matter is transported through matter. It occurs by approximately random motions of the atoms in a crystal lattice. The net result of many such random movements of a large number of atoms is actual displacement of matter, the movement being activated by the thermal energy of the crystal.
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Some Aspects of the Theory of Diffusion and Diffusers
The Journal of the Acoustical Society of America, 1969Fundamental theoretical considerations strongly imply that the degree of diffusion of a sound field in a reverberation room can be satisfactorily defined only when the degree of averaging (over either space or frequency, or both), inherently present in whatever measurement is under consideration, is included explicitly in the definition.
S.D. Dodd, P.E. Doak
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